Question

In: Finance

A researcher is interested in examining how the net wealth of individuals changes over the course of their lifetimes.

A researcher is interested in examining how the net wealth of individuals changes over the course of their lifetimes. She has collected the following data regarding the age X, in years, and net worth Y, measured in thousands of dollars, of 12 individuals in the form of (x, y) pairs: (24, 153), (34, 201), (38, 297), and (83, 139). Calculate the correlation coefficient between the age and net worth of individuals：

A. -0.1

B. -0.361

C. 0

D. 0.206


Solutions

Expert Solution

steps

Step 1 calculate the average of given date

Step calculate the difference between data and average

then step3 sqare the result coming from step 2

Step4 multiply the difference of data

Step 5 calculate the standard deviation of both data

Stpe6 put the value in formula .

And final answer = " B " = - .361

jeff jeffy answered 2 years ago
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